Patents by Inventor James DiRoss

James DiRoss has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Engine valve
    Patent number: 4418658
    Abstract: A rotary valve for internal combustion engines, compressors and the like wherein its valve plate engages directly with the cylinder block and which is lubricated by oil passageways in the valve plate or wear surface of the cylinder block.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: December 6, 1983
    Inventor: James DiRoss
  • Dual radiator heat exchanger
    Patent number: 4259268
    Abstract: An extremely simple and inexpensive heat exchanger utilizing evaporative cooling for heat removal but avoiding the entrainment of unwanted moisture in the cooled air delivered to the living area or other space being cooled.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: March 31, 1981
    Inventor: James DiRoss